LIII: as Rx’dLII: 53/35 Kettlebell or scale weight and box height as needed. Weighted Sit-ups. If you have not regularly been doing a high volume of weighted sit-ups scale the volume down as appropriate LI: Min. 1:6-8 Russian Kettlebell swingsMin 2: :30 of burpeesMin 3: 6-8 butterfly sit-upsMin 4: :30 of Cal RowMin 5 Rest orRest during a round as needed.